body {
    margin: 0;
}
h1,
h2,
h3,
h4,
h5,
h6 {
    margin: 0;
    padding: 0
}
ul {
    padding: 0;
    margin: 0;
    list-style: none
}
.icon {
    width: 1em;
    height: 1em;
    vertical-align: -0.15em;
    fill: currentColor;
    overflow: hidden;
}
html,
body,
#app,
.common-layout,
.el-container {
    height: 100%
}

